23112111121051 has 2 divisors, whose sum is σ = 23112111121052. Its totient is φ = 23112111121050.

The previous prime is 23112111121027. The next prime is 23112111121079. The reversal of 23112111121051 is 15012111121132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23112111121051 - 2²³ = 23112102732443 is a prime.

It is not a weakly prime, because it can be changed into another prime (23112111121951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556055560525 + 11556055560526.

It is an arithmetic number, because the mean of its divisors is an integer number (11556055560526).

Almost surely, 2^{23112111121051} is an apocalyptic number.

23112111121051 is a deficient number, since it is larger than the sum of its proper divisors (1).

23112111121051 is an equidigital number, since it uses as much as digits as its factorization.

23112111121051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 22.

Adding to 23112111121051 its reverse (15012111121132), we get a palindrome (38124222242183).

The spelling of 23112111121051 in words is "twenty-three trillion, one hundred twelve billion, one hundred eleven million, one hundred twenty-one thousand, fifty-one".